Extensor expansion in the rheumatoid hand.
D001172:Arthritis, Rheumatoid / Q000503:physiopathology*; D006225:Hand / Q000503:physiopathology*; D006801:Humans; D009132:Muscles / Q000503:physiopathology; D013585:Synovitis; D013710:Tendons / Q000503:physiopathology